Strut Channel Combo Nut Washer: Use with Cooper B-Line - Channel/Strut (All Sizes Except B62 & B72), 1/2" Bolt

Strut Channel Slip On Square Washer/Lock Nut: Use with Cooper B-Line - Channel/Strut (All Sizes Except B62 & B72), 5/8-11" Bolt

Strut Channel Channel Nut without Spring: Use with B12, B22, B24, B26 & B32 Channel/Strut & Cooper B-Line - B11, 1/2" Bolt